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  a hollow cone is cut by a plane parallel to the base and upper portion is removed. if the curved surface area of the remainder is 8/9 of the curved surface area of the whole cone, find the ratio of the line segments into whic ...
  0·4· #Mathematics#Class VII-X Mathematics
  replied2014-03-07 06:18:03
• \/i dont like this...plzz help..\/
  a hollow cone is cut by a plane parallel to the base and upper portion is removed. if the curved surface area of the remainder is 8/9 of the curved surface area of the whole cone, find the ratio of the line segments into whic ...
  0·4· #Mathematics#Class VII-X Mathematics
  replied2014-02-23 05:45:01